Answer:
x=10
Step-by-step explanation:
Let the number = x
∴ 2x/5=4
∴2x=5*4
∴2x=20
∴x=20/2
∴x=10
Hope it helps you!
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124=100+20+4, 17=10+7
124*17=(100+20+4)(10+7)=1000+200+40+700+140+28=2108
Answer:
a
Step-by-step explanation:
The answer is B, 15,504.
The reasoning is 20C15.
20!
---------------
(20-15)!15!
The answer to that is 15,504.
Hope I helped, boom!